Home / 258,621.60-357,122.07-190,756.20

Finding the Fourth Proportional to 258,621.60, 357,122.07 and 190,756.20

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Solution

The fourth proportional to 258,621.60, 357,122.07 and 190,756.20 is: 263,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,621.60 : 357,122.07 = 190,756.20 : x
  2. Step 2: Convert to fraction form
    258,621.60/357,122.07 = 190,756.20/x
  3. Step 3: Cross multiply
    258,621.60x = 357,122.07 × 190,756.20
  4. Step 4: Simplify right side
    258,621.60x = 68,123,249,009.33
  5. Step 5: Solve for x
    x = 68,123,249,009.33/258,621.60
  6. Step 6: Final answer
    x = 263,408.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.